Belleville Spring Design Guide

This spring rate is usually very high allowing the spring to produce very large loads in a very small space.

Belleville spring design guide.

The original inventor is not known but more than 130 years ago on 26 12 1861 to be precise julien francois belleville of dunkirk was granted french patent number 52399 for a spring design which already contained. Typical modulus of elasticity of spring materials used in torsion and tension. Belleville washers additional design information. In a belleville washer the ratio of material thickness to rim width is held to about one in five.

We are the largest belleville manufacturer in the world with customers in 67 countries. The belleville name comes from the inventor julien belleville who in dunkerque france in 1867 patented a spring design which already contained the principle of the disc spring. Belleville washers provide a very high spring force for short movement and have a high energy storage capacity. 100 key lane leechburg pa 15656 9531 u.

Although the disc spring has found a wider application during the last few decades it is still an old established machine component. Belleville spring disc spring and conical compression washer are all names for the same type of spring. Preferred sizes for spring materials wire strip and bars. State of the art facility.

A belleville spring is a conical shaped disc that will deflect flatten at a given rate. Stretches over 200 acres with a 88 000 square ft. Morrison s spring tables design reference premium membership required to view document book. Whether you are in the design phase or the purchasing phase our engineering staff can utilize our software programs to produce charts for any belleville spring design.

In a bolted joint the spring is normally loaded at the upper inside edge by the nut or bolt head and the lower outside edge by the joint. This is the force required to push the spring into the flat position. A belleville washer is a type of spring shaped like a washer. Manufacturers also use a parameter called flat load or load to flat f w in their description of a belleville spring.

It is the frusto conical shape that gives the washer its characteristic spring. View our specification guide. A beginner s guide to belleville washers nov 28 2016 disc springs blog 0 comments some people who may need to use compression spring applications that require high load may not be able to distinguish which kind of washers that would best suit for their needs.